Subject: Re: Marshaling issues w/ compat-wireless-2010-08-19
From: Johannes Berg <johannes@sipsolutions.net>
To: Philip Prindeville <philipp_subx@redfish-solutions.com>
Cc: linux-wireless@vger.kernel.org, Jouni Malinen <j@w1.fi>
In-Reply-To: <4C746F74.70401@redfish-solutions.com>
References: <4C746F74.70401@redfish-solutions.com>
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Date: Wed, 25 Aug 2010 10:11:01 +0200
Message-ID: <1282723861.3685.4.camel@jlt3.sipsolutions.net>
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Sender: linux-wireless-owner@vger.kernel.org

On Tue, 2010-08-24 at 18:18 -0700, Philip Prindeville wrote:

> (1) "Unknown event 5" messages when starting up hostapd (line 95
> below):

That's fine, it's just EVENT_INTERFACE_STATUS.

> (2) Some highly unlikely values from the hostapd debugging messages
> when parsing out WEP authentication messages (line 507):
> 
> This is captured in http://pastebin.ca/1924659 :
> 
> authentication: STA=f8:1e:df:1e:c2:23 auth_alg=35510 auth_transaction=79 status_code=21688 wep=1
> Unsupported authentication algorithm (35510)
> 
> 
> I'm wondering if some messages that are passed up to user-space via
> netlink from the driver might have changed their schema, i.e. adding
> new fields in the middle of a structure or moving fields around within
> a structure.

Looks more like a crypto problem to me, as this should be the encrypted
challenge in your shared key handshake. IOW, it looks like the frame
isn't getting decrypted by mac80211 for some reason.

johannes